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The compression size shows, in most cases, the tsilindro-piston group of the engine is worn how much out.
For compression measurement than 30 bar is necessary компрессометр for diesel engines with the maximum indications not less.
Compression measurement
| PERFORMANCE ORDER |
| 1. Completely to charge the accumulator. To adjust backlashes of valves. The engine to warm up to working temperature. |
| 2. To disconnect a food of candles накаливания and a socket of the electromagnetic valve of giving of fuel. |
| 3. To remove one of candles накаливания and in a candle nest to screw transitive the union компрессометра. To turn a cranked shaft a starter some times. To fix the maximum value of pressure of compression. |
| 4. To repeat measurements on other three cylinders. |
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Compression decrease in |